Child-resistant closure

Details Child-resistant closure Child-resistant closure

1978-11-16

1979-12-25

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215217, B65D 5502, B65D 8556, H61H 100

Patent

active

041801741

ABSTRACT:
A child-resistant threaded closure for containers is presented which includes a lower ring-like portion attached to the closure by retractable and extendible legs and having a matching thread. With the closure screwed in place on a container, the ring is pushed down by means of tabs to a position below the last thread on the container with the legs extended whereupon, when an attempt is made to unscrew the closure, the thread segment of the ring interferes with the last thread of the container and prevents its removal. For the closure to be removed, the ring is lifted up by finger pressure applied to the tabs until the legs are fully retracted and the threads match up with the others after which action the closure can be unscrewed.

REFERENCES:
patent: 3399796 (1968-09-01), Steiner
patent: 3514003 (1970-05-01), Fitzgerald

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